Constituent
Name
N2 gas 99.9999%
Family
gas
Class
molecular gas
Compound type
gas
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0 ± 0.001
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Mass fraction State Relevance Comments
N2 Nitrogen molecule 0.9999995 ± 5e-07 0.999964007580397 ± 2.6478398229889e-05 pure main stated purity: > 99.9999% except rare gases (> 99.995% including rare gases) - natural istopic composition, but possible fractionation
Ar Argon atom 2.5e-05 ± 2.5e-05 3.56495221869851e-05 ± 3.56504483384362e-05 mixed impurity maximum rare gaz impurity in N2 gas bottle
CO2 Carbon dioxide molecule 2.5e-08 ± 2.5e-08 3.92740381909923e-08 ± 3.9275058505017e-08 mixed impurity maximum impurity in N2 gas bottle
H2O Water molecule 3e-07 ± 3e-07 1.92921704202816e-07 ± 1.92926716183492e-07 mixed impurity maximum impurity in N2 gas bottle
O2 Oxygen molecule 5e-08 ± 5e-08 5.71113412714978e-08 ± 5.71128249870808e-08 mixed impurity maximum impurity in N2 gas bottle
H2 Hydrogen molecule 5e-08 ± 5e-08 3.59793525514666e-09 ± 3.59802872716966e-09 mixed impurity maximum impurity in N2 gas bottle
CO Carbon monoxide molecule 5e-08 ± 5e-08 4.99923969471896e-08 ± 4.9993695717219e-08 mixed impurity maximum impurity in N2 gas bottle
CnHm Hydrocarbons molecule 5e-09 ± 5e-09 mixed impurity maximum CnHm impurity in N2 gas bottle
Chemical functions
  Function Number Relevance
ROH 2 impurity
RCH3 impurity
RCH2R impurity
R=CH2 impurity
R2>CHR impurity
R=CHR impurity
RCH impurity
R2>C=C<R2 impurity
RCCR impurity
Chemical bonds
  Bond Number Relevance
NN 1 main
=C=O 2 impurity
OH 2 impurity
O=O 1 impurity
HH 1 impurity
CO+ 1 impurity
CH impurity
impurity
\equiv C-H impurity
\geq C-C \leq impurity
>C=C< impurity
-C\equiv C- impurity
Phase type
gas